First Manhattan’s CoStar Group CSGP Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-6,847
Closed -$460K 762
2025
Q4
$460K Hold
6,847
﹤0.01% 573
2025
Q3
$578K Hold
6,847
﹤0.01% 519
2025
Q2
$550K Hold
6,847
﹤0.01% 511
2025
Q1
$542K Buy
6,847
+1,847
+37% +$141K ﹤0.01% 483
2024
Q4
$358K Hold
5,000
﹤0.01% 570
2024
Q3
$377K Sell
5,000
-4
-0.1% -$303 ﹤0.01% 543
2024
Q2
$371K Buy
5,004
+4
+0.1% +$339 ﹤0.01% 532
2024
Q1
$483K Hold
5,000
﹤0.01% 497
2023
Q4
$437K Sell
5,000
-248
-5% -$20.1K ﹤0.01% 507
2023
Q3
$404K Buy
5,248
+4
+0.1% +$331 ﹤0.01% 527
2023
Q2
$467K Buy
5,244
+244
+5% +$18.8K ﹤0.01% 500
2023
Q1
$344K Sell
5,000
-90
-2% -$6.64K ﹤0.01% 578
2022
Q4
$393K Buy
5,090
+90
+2% +$7.03K ﹤0.01% 562
2022
Q3
$348K Sell
5,000
-2,500
-33% -$174K ﹤0.01% 573
2022
Q2
$453K Hold
7,500
﹤0.01% 558
2022
Q1
$499K Sell
7,500
-200
-3% -$13.3K ﹤0.01% 579
2021
Q4
$608K Buy
7,700
+200
+3% +$16.8K ﹤0.01% 531
2021
Q3
$645K Hold
7,500
﹤0.01% 503
2021
Q2
$621K Hold
7,500
﹤0.01% 519
2021
Q1
$616K Hold
7,500
﹤0.01% 498
2020
Q4
$693K Hold
7,500
﹤0.01% 449
2020
Q3
$636K Hold
7,500
﹤0.01% 449
2020
Q2
$533K Sell
7,500
-50
-0.7% -$3.23K ﹤0.01% 476
2020
Q1
$443K Sell
7,550
-2,500
-25% -$163K ﹤0.01% 486
2019
Q4
$601K Hold
10,050
﹤0.01% 495
2019
Q3
$596K Sell
10,050
-5,950
-37% -$356K ﹤0.01% 497
2019
Q2
$886K Hold
16,000
﹤0.01% 453
2019
Q1
$746K Hold
16,000
﹤0.01% 488
2018
Q4
$539K Buy
16,000
+6,000
+60% +$219K ﹤0.01% 539
2018
Q3
$420K Sell
10,000
-500
-5% -$21.4K ﹤0.01% 608
2018
Q2
$433K Hold
10,500
﹤0.01% 569
2018
Q1
$380K Hold
10,500
﹤0.01% 570
2017
Q4
$311K Buy
10,500
+3,500
+50% +$103K ﹤0.01% 629
2017
Q3
$187K Buy
+7,000
New +$194K ﹤0.01% 692
2016
Q3
Sell
-460
Closed -$9K 1399
2016
Q2
$9K Buy
+460
New +$9.1K ﹤0.01% 1229

Other funds holding CSGP

First Manhattan's CSGP Position: Q1 2026 in Review

First Manhattan sold out of CoStar Group (CSGP) in Q1 2026, closing a stake of 6,847 shares — an estimated $460K sold.

First Manhattan first reported a position in CSGP in Q2 2016 and held it in 35 quarters. The position peaked at $886K in Q2 2019. 792 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

  • First Manhattan reported no remaining CoStar Group position as of Q1 2026 after selling out during the quarter.
  • First Manhattan sold 6,847 CoStar Group shares in Q1 2026, an estimated $460K.
  • First Manhattan first reported a position in CoStar Group in Q2 2016 and held it in 35 quarters.
  • First Manhattan's CoStar Group position peaked at $886K in Q2 2019.
  • 792 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on First Manhattan's 13F filing for Q1 2026, filed 15 May 2026.